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PKCS#11 wrapper based on sunpkcs11
// Copyright (c) 2002 Graz University of Technology. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. The end-user documentation included with the redistribution, if any, must
// include the following acknowledgment:
//
// "This product includes software developed by IAIK of Graz University of
// Technology."
//
// Alternately, this acknowledgment may appear in the software itself, if and
// wherever such third-party acknowledgments normally appear.
//
// 4. The names "Graz University of Technology" and "IAIK of Graz University of
// Technology" must not be used to endorse or promote products derived from
// this software without prior written permission.
//
// 5. Products derived from this software may not be called "IAIK PKCS Wrapper",
// nor may "IAIK" appear in their name, without prior written permission of
// Graz University of Technology.
//
// THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
// OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
package iaik.pkcs.pkcs11.params;
import java.util.Arrays;
import iaik.pkcs.pkcs11.Util;
import sun.security.pkcs11.wrapper.CK_SSL3_RANDOM_DATA;
/**
* This class encapsulates parameters for the Mechanism.SSL3_MASTER_KEY_DERIVE
* and Mechanism.SSL3_KEY_AND_MAC_DERIVE mechanisms.
*
* @author Karl Scheibelhofer
* @version 1.0
* @invariants (clientRandom <> null)
* and (serverRandom <> null)
*/
@SuppressWarnings("restriction")
// CHECKSTYLE:SKIP
public class SSL3RandomDataParams implements Params {
/**
* The client's random data.
*/
protected byte[] clientRandom;
/**
* The server's random data.
*/
protected byte[] serverRandom;
/**
* Create a new SSL3RandomDataParameters object with the given client and
* server random.
*
* @param clientRandom
* The client's random data.
* @param serverRandom
* The server's random data.
* @preconditions (clientRandom <> null)
* and (serverRandom <> null)
* @postconditions
*/
public SSL3RandomDataParams(byte[] clientRandom, byte[] serverRandom) {
this.clientRandom = Util.requireNonNull("clientRandom", clientRandom);
this.serverRandom = Util.requireNonNull("serverRandom", serverRandom);
}
/**
* Get this parameters object as a CK_SSL3_RANDOM_DATA object.
*
* @return This object as a CK_SSL3_RANDOM_DATA object.
* @preconditions
* @postconditions (result <> null)
*/
@Override
public Object getPKCS11ParamsObject() {
return new CK_SSL3_RANDOM_DATA(clientRandom, serverRandom);
}
/**
* Get the client's random data.
*
* @return The client's random data.
* @preconditions
* @postconditions (result <> null)
*/
public byte[] getClientRandom() {
return clientRandom;
}
/**
* Get the server's random data.
*
* @return The server's random data.
* @preconditions
* @postconditions (result <> null)
*/
public byte[] getServerRandom() {
return serverRandom;
}
/**
* Set the client's random data.
*
* @param clientRandom
* The client's random data.
* @preconditions (clientRandom <> null)
* @postconditions
*/
public void setClientRandom(byte[] clientRandom) {
this.clientRandom = Util.requireNonNull("clientRandom", clientRandom);
}
/**
* Set the server's random data.
*
* @param serverRandom
* The server's random data.
* @preconditions (serverRandom <> null)
* @postconditions
*/
public void setServerRandom(byte[] serverRandom) {
this.serverRandom = Util.requireNonNull("serverRandom", serverRandom);
}
/**
* Returns the string representation of this object. Do not parse data from
* this string, it is for debugging only.
*
* @return A string representation of this object.
*/
@Override
public String toString() {
return Util.concat(" Client Random (hex): ", Util.toHex(clientRandom),
"\n Server Random (hex): ", Util.toHex(serverRandom));
}
/**
* Compares all member variables of this object with the other object.
* Returns only true, if all are equal in both objects.
*
* @param otherObject
* The other object to compare to.
* @return True, if other is an instance of this class and all member
* variables of both objects are equal. False, otherwise.
* @preconditions
* @postconditions
*/
@Override
public boolean equals(Object otherObject) {
if (this == otherObject) {
return true;
} else if (!(otherObject instanceof SSL3RandomDataParams)) {
return false;
}
SSL3RandomDataParams other = (SSL3RandomDataParams) otherObject;
return Arrays.equals(this.clientRandom, other.clientRandom)
&& Arrays.equals(this.serverRandom, other.serverRandom);
}
/**
* The overriding of this method should ensure that the objects of this
* class work correctly in a hashtable.
*
* @return The hash code of this object.
* @preconditions
* @postconditions
*/
@Override
public int hashCode() {
return Util.hashCode(clientRandom)
^ Util.hashCode(serverRandom);
}
}